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The amount of materials and supplies recognized as of the acquisition date

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Number of Acres Providing Storage for Loaded and Empty Containers

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Number of Major Seaports

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Number of trucks

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Changes in Operations United Kingdom - Pentalver (Details) £ in Thousands, $ in Thousands			6 Months Ended
	May 03, 2017 GBP (£) a seaport truck $ / £	May 03, 2017 USD ($) a seaport	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	May 03, 2017 USD ($) truck $ / £
Payments to acquire business, net of cash acquired			$ 0	$ 102,655
Foreign currency exchange rate \| $ / £	1.29					1.29
Goodwill			$ 1,136,985		$ 1,165,587
Pentalver Transport Limited [Member]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%					100.00%
Business Acquisition, Effective Date of Acquisition	May 03, 2017	May 03, 2017
Payments to acquire business, net of cash acquired	£ 77,500	$ 100,100
Number of Major Seaports \| seaport	3	3
Number of trucks \| truck	150					150
Cash and cash equivalents	£ 20,224					$ 26,117
Accounts receivable	16,849					21,759
Materials and supplies	13,360					17,253
Prepaid expenses and other	3,238					4,182
Property and equipment	20,649					26,666
Goodwill	8,592					11,096
Total Assets	124,912					161,312
Accounts payable and accrued expenses	21,341					27,560
Deferred income tax liabilities, net	5,220					6,741
Deferred items-grants from outside parties	601					776
Net assets	£ 97,750					$ 126,235
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	33 years	33 years
Pentalver Transport Limited [Member] \| Minimum [Member]
Number of Acres Providing Storage for Loaded and Empty Containers \| a	100	100
Pentalver Transport Limited [Member] \| Maximum [Member]
Term of contract of operational rights, in years	50 years	50 years
Operational Network Rights [Member] \| Pentalver Transport Limited [Member]
Finite-lived Intangible Assets Acquired	£ 42,000	$ 54,239